Extracting prog: 2m36.990244336s Minimizing prog: 9m6.837492028s Simplifying prog options: 0s Extracting C: 28.057223578s Simplifying C: 7m48.811739575s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000000)='./file1\x00', 0x1000807, &(0x7f00000035c0)=ANY=[], 0xef, 0x1f6, &(0x7f00000003c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_FIEMAP(r0, 0xc020660b, &(0x7f0000000200)=ANY=[@ANYBLOB="0000000a0000cc0622cbd11a7cb3"]) program crashed: WARNING in iomap_iter single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000000)='./file1\x00', 0x1000807, &(0x7f00000035c0)=ANY=[], 0xef, 0x1f6, &(0x7f00000003c0)="$eJzsmb+LE0EUx78zu5c9DxFsLGwsPPBEb39F5ZorThArQThFLYO3F4KbRJIVkoBIsLGxFBFs/QcsLFJZ2NnZaqGCYGFKwUIYmdlxM/mxYUMQAr4PZPJ9b368N4/kbbEgCOK/5euXn5+fXt65cR7AUWzC0f7v1mgNBzLr04sH557tXnn5+uOrd41jDweT560DEKJ4fHnw2z0LibKEEI/G5zfl8HzcdxMcZ7W+BQY3lb+FIjUiMNxRygYyDTSPaBFH7t1mfHBYiyNfDoEcQjmUzVhy97DPcJDdTQhmzLe7vXuVOI5ak2JN/I0zNbWomFc/ld8ex662ZX4cwO0nj/vS1rWBD57WEkAAjkDrMhj2td6BA9d1RyUx7n/SHp1vFbn/DOEsW4gigv1KfwbSc3z738YiYQjhrEQaBQSb9Mg/dOY5MRy8n971bVWSzxcMOR1HNS4AmeeqXvNhI46vLRG0pCNOT1lmf2I2cMboTzbsrH94Sf2+1+72tmv1SjWqRo0wLF/yL/j+xdA7rDnwPdWO5vS/ddWfNozz18wFxgOlxEroVJKkFXSApBVkdpiORsfdf9P8ofZw1f84tk6nZ8giq2s7s/Nh+sPVt1RbVm7yBEEQBEEQBEEQBEEQBEEQC3EKDOkrEPWiSuQQXler/wQAAP//3fVtcQ==") openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) program did not crash testing program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-ioctl$FS_IOC_FIEMAP detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000000)='./file1\x00', 0x1000807, &(0x7f00000035c0)=ANY=[], 0xef, 0x1f6, &(0x7f00000003c0)="$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") ioctl$FS_IOC_FIEMAP(0xffffffffffffffff, 0xc020660b, &(0x7f0000000200)=ANY=[@ANYBLOB="0000000a0000cc0622cbd11a7cb3"]) program did not crash testing program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-ioctl$FS_IOC_FIEMAP detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_FIEMAP(r0, 0xc020660b, &(0x7f0000000200)=ANY=[@ANYBLOB="0000000a0000cc0622cbd11a7cb3"]) program did not crash testing program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000000)='./file1\x00', 0x1000807, &(0x7f00000035c0)=ANY=[], 0xef, 0x1f6, &(0x7f00000003c0)="$eJzsmb+LE0EUx78zu5c9DxFsLGwsPPBEb39F5ZorThArQThFLYO3F4KbRJIVkoBIsLGxFBFs/QcsLFJZ2NnZaqGCYGFKwUIYmdlxM/mxYUMQAr4PZPJ9b368N4/kbbEgCOK/5euXn5+fXt65cR7AUWzC0f7v1mgNBzLr04sH557tXnn5+uOrd41jDweT560DEKJ4fHnw2z0LibKEEI/G5zfl8HzcdxMcZ7W+BQY3lb+FIjUiMNxRygYyDTSPaBFH7t1mfHBYiyNfDoEcQjmUzVhy97DPcJDdTQhmzLe7vXuVOI5ak2JN/I0zNbWomFc/ld8ex662ZX4cwO0nj/vS1rWBD57WEkAAjkDrMhj2td6BA9d1RyUx7n/SHp1vFbn/DOEsW4gigv1KfwbSc3z738YiYQjhrEQaBQSb9Mg/dOY5MRy8n971bVWSzxcMOR1HNS4AmeeqXvNhI46vLRG0pCNOT1lmf2I2cMboTzbsrH94Sf2+1+72tmv1SjWqRo0wLF/yL/j+xdA7rDnwPdWO5vS/ddWfNozz18wFxgOlxEroVJKkFXSApBVkdpiORsfdf9P8ofZw1f84tk6nZ8giq2s7s/Nh+sPVt1RbVm7yBEEQBEEQBEEQBEEQBEEQC3EKDOkrEPWiSuQQXler/wQAAP//3fVtcQ==") r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$FS_IOC_FIEMAP(r0, 0xc020660b, &(0x7f0000000200)=ANY=[@ANYBLOB="0000000a0000cc0622cbd11a7cb3"]) program did not crash testing program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000000)='./file1\x00', 0x1000807, &(0x7f00000035c0)=ANY=[], 0xef, 0x1f6, &(0x7f00000003c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_FIEMAP(r0, 0xc020660b, 0x0) program did not crash testing program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000180), &(0x7f0000000000)='./file1\x00', 0x1000807, &(0x7f00000035c0)=ANY=[], 0xef, 0x1f6, &(0x7f00000003c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_FIEMAP(r0, 0xc020660b, &(0x7f0000000200)=ANY=[@ANYBLOB]) program did not crash extracting C reproducer testing compiled C program (duration=1m3.515372752s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter simplifying C reproducer testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter testing compiled C program (duration=1m3.515372752s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$FS_IOC_FIEMAP program crashed: WARNING in iomap_iter reproducing took 20m0.696776437s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 16 erofs: (device loop0): mounted with root inode @ nid 36. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4290 at fs/iomap/iter.c:51 iomap_iter_done fs/iomap/iter.c:51 [inline] WARNING: CPU: 1 PID: 4290 at fs/iomap/iter.c:51 iomap_iter+0x998/0x120c fs/iomap/iter.c:95 Modules linked in: CPU: 1 PID: 4290 Comm: syz-executor238 Not tainted 6.1.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : iomap_iter_done fs/iomap/iter.c:51 [inline] pc : iomap_iter+0x998/0x120c fs/iomap/iter.c:95 lr : iomap_iter_done fs/iomap/iter.c:51 [inline] lr : iomap_iter+0x998/0x120c fs/iomap/iter.c:95 sp : ffff8000212576b0 x29: ffff8000212576e0 x28: 1ffff0000424af05 x27: ffff800021257858 x26: ffff800021257848 x25: ffff800021257828 x24: 06cc00000a000000 x23: ffff800021257862 x22: dfff800000000000 x21: 000000000a001000 x20: 1ffff0000424af0c x19: ffff800021257820 x18: 0000000000000140 x17: 00000000c020660b x16: ffff80001232f264 x15: 0000000000000000 x14: 0000000000000003 x13: ffff0000d8910000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008c05bc0 x8 : ffff0000d8910000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff80000a6d83e4 x2 : 0000000000000001 x1 : 06cc00000a000000 x0 : 000000000a001000 Call trace: iomap_iter_done fs/iomap/iter.c:51 [inline] iomap_iter+0x998/0x120c fs/iomap/iter.c:95 iomap_fiemap+0x158/0x808 fs/iomap/fiemap.c:80 erofs_fiemap+0x90/0xb0 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x194c/0x26f8 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1628 hardirqs last enabled at (1627): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1627): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (1628): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (410): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (408): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 16 erofs: (device loop0): mounted with root inode @ nid 36. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4290 at fs/iomap/iter.c:51 iomap_iter_done fs/iomap/iter.c:51 [inline] WARNING: CPU: 1 PID: 4290 at fs/iomap/iter.c:51 iomap_iter+0x998/0x120c fs/iomap/iter.c:95 Modules linked in: CPU: 1 PID: 4290 Comm: syz-executor238 Not tainted 6.1.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : iomap_iter_done fs/iomap/iter.c:51 [inline] pc : iomap_iter+0x998/0x120c fs/iomap/iter.c:95 lr : iomap_iter_done fs/iomap/iter.c:51 [inline] lr : iomap_iter+0x998/0x120c fs/iomap/iter.c:95 sp : ffff8000212576b0 x29: ffff8000212576e0 x28: 1ffff0000424af05 x27: ffff800021257858 x26: ffff800021257848 x25: ffff800021257828 x24: 06cc00000a000000 x23: ffff800021257862 x22: dfff800000000000 x21: 000000000a001000 x20: 1ffff0000424af0c x19: ffff800021257820 x18: 0000000000000140 x17: 00000000c020660b x16: ffff80001232f264 x15: 0000000000000000 x14: 0000000000000003 x13: ffff0000d8910000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008c05bc0 x8 : ffff0000d8910000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff80000a6d83e4 x2 : 0000000000000001 x1 : 06cc00000a000000 x0 : 000000000a001000 Call trace: iomap_iter_done fs/iomap/iter.c:51 [inline] iomap_iter+0x998/0x120c fs/iomap/iter.c:95 iomap_fiemap+0x158/0x808 fs/iomap/fiemap.c:80 erofs_fiemap+0x90/0xb0 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x194c/0x26f8 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1628 hardirqs last enabled at (1627): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1627): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (1628): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (410): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (408): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---